0-4777CE Classic 650 CFM Double Pumper 4150 Carburetor w/Electric Choke

Name: 0-4777CE Classic 650 CFM Double Pumper 4150 Carburetor w/Electric Choke
Brand: HOLLEY
SKU: 510-0-4777CE
Price: 799.95 USD
Availability: InStock

^$799⁹⁵

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650 cfm

Classic Double Pumper 4150 Carburetor

650 CFM

Mechanical Secondaries

Electric Choke

Dual-Feed Fuel Inlets

4-Corner Idle

Dual Accelerator Pumps

Classic Zinc Finish

Holley 0-4777CE Classic 650 CFM Double Pumper 4150 Carburetor w/Electric Choke Features:

Classic zinc finish for corrosion resistance and classic looks
Optimized street/strip calibration that performs out-of-the-box
Electric choke for precise cold start control
Mechanical secondaries for optimum performance
Dual accelerator pumps for additional fuel under initial acceleration
Dual feed fuel inlets for constant high volume fuel delivery
Intended for lightweight vehicles w/manual trans or automatics with high stall & low gearing
100 Percent wet-flow tested

FAQ

What is the benefit of a double pumper carb?

Double pumper carbs offer immediate throttle response and increased fuel delivery.
The Holley 0-4777CE, a 650 double pumper carb, provides enhanced performance for high-revving engines.

Will a 650 CFM carb work on a 350?

Yes, a 650 CFM carb suits a 350 engine, ensuring efficient fuel delivery and optimal performance.
The Holley 0-4777CE provides balanced fuel-air mixture, ideal for a 350 engine's power requirements.

How much HP will a 750 CFM carb support?

Typically, a 750 CFM carb sustains around 400-500 HP on a high-performance engine.
The Holley 750 double pumper, like the 0-4777CE, suits engines with moderate to high power demands.

What is the recommended fuel pressure for a Holley 650?

Generally, a Holley 650 operates optimally within a range of 5-7 PSI fuel pressure.
The 0-4777CE, a Holley 650 double pumper carburetor, thrives within this recommended pressure for efficient performance.

Emissions Note:

This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART

These Holley Classic Double Pumper 4-barrel carburetors sport the classic Holley "gold" Dichromate finish. They are available in a variety of CFM (Cubic Feet per Minute) sizes to meet the volumetric efficiency your engine requires and for many sizes you can choose from the carburetor by itself or two kit options: one with a braided fuel line or another with both a fuel line and JEGS liquid-filled fuel pressure gauge!

Holley Shared Specifications

Dual metering blocks
Dual-feed fuel inlets
Center-hung floats
Manual or electric choke
Hollet power valve blowout protection
Mechanical secondaries
Dual accelerator pumps
100% wet-flow tested and calibrated
Dichromate finish

Holley Spec Variations

600, 650, 700, 750, 800, or 850 CFM Holley
Four-corner idle system on part numbers 510-0-4779C and 510-0-4781C

JEGS Easy Kits are designed by JEGS professionals so you get all the parts you need.

When maximum performance and throttle response matter most, the Holley Classic Double Pumper Carburetors & Kits deliver unmatched power and precision. Designed for high-performance street and strip applications, these carburetors feature mechanical secondaries and dual accelerator pumps for instant fuel delivery and aggressive launches. Whether you're upgrading a muscle car or fine-tuning your race build, the Double Pumper is the go-to choice for serious performance enthusiasts.
Built on Holley’s legendary 4150 platform, these carburetors are available in a variety of configurations, including the iconic Holley 750 double pumper carburetor. This model is perfect for mid-to-large displacement V8s, offering excellent top-end performance without sacrificing low-end responsiveness. With manual choke, high-flow metering blocks, and replaceable jets, tuning is straightforward and highly customizable.
Each 750 double pumper unit is engineered for durability and precision, featuring high-quality materials and finishes that stand up to heat, vibration, and harsh fuels. Whether you're on the street or track, you can count on consistent fuel flow and throttle control when it matters most.
For those looking to complete their build, Holley also offers full kits that pair the Holly 750 double pumper with complementary components, streamlining the installation process and ensuring maximum compatibility.
At JEGS, we stock the full line of Holley Classic Double Pumper Carburetors & Kits, backed by expert support and fast shipping. Upgrade today and experience why Double Pumper performance has been a trusted standard for decades.